4-Ethylcatechol
4-Ethylcatechol (CAS: 1124-39-6), with the molecular formula C8H10O2 and a molecular weight of 138.16 g/mol, is a substituted catechol derivative. This organic compound serves as a valuable building block in chemical synthesis. Its applications span various research and industrial sectors, primarily in the development of complex organic molecules and materials. Tech Serve Solutions offers this chemical with a minimum assay of 95%.
- IUPAC
- 3,4-Dihydroxyethylbenzene
- Synonyms
- 3,4-Dihydroxyethylbenzene

Organic Synthesis Intermediate
4-Ethylcatechol is utilised as a precursor in the synthesis of more complex organic compounds. Its phenolic hydroxyl groups allow for diverse chemical modifications and functionalizations in multi-step syntheses.
Research and Development
This compound is employed in laboratory settings for research purposes, particularly in fields requiring specific substituted benzene derivatives. It facilitates the exploration of novel chemical structures and reactions.
Material Science
4-Ethylcatechol can be a component in the development of specialised polymers or functional materials. Its structure can influence the properties of resulting polymeric chains or molecular assemblies.
| Molecular weight | 138.16 |
|---|---|
| Empirical formula | C8H10O2 |
| Assay | 95% |
| Melting point | 34-45 °C |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Flash point | >110 °C / >230 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-37/38-41 |
| Safety statements (S) | 26-39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 4-Ethylcatechol used for?
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4-Ethylcatechol is primarily used as a building block in organic synthesis and in research and development settings for creating complex organic molecules and materials.
What are the CAS number and formula for 4-Ethylcatechol?
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The CAS number for 4-Ethylcatechol is 1124-39-6, and its molecular formula is C8H10O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Ethylcatechol with a minimum assay of 95%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated.
How should 4-Ethylcatechol be handled safely?
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4-Ethylcatechol is classified as dangerous. It is harmful if swallowed, causes skin irritation, causes serious eye damage, and may cause respiratory irritation. Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Ensure adequate ventilation and avoid dust formation. Refer to the Safety Data Sheet (SDS) for full details.
Does TSS export 4-Ethylcatechol?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 4-Ethylcatechol, catering to international research and industrial clients.
How can I request a quote or sample for 4-Ethylcatechol?
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To request a quote or a sample of 4-Ethylcatechol, please contact our sales team through the website or via the provided contact details, specifying the product CAS number (1124-39-6) and your requirements.
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